How not to be unhappy, if you read a statement by Damien3, sends a mail like he told you to do, and then waits almost a week for nothing… Just to discover that he made a contradictory statement a few hours later, and that you did not see.
As for A3.5, I don’t doubt that Damien is a good guy, since I’m a customer of him since 2014.
But things are different now. He is not alone. There maybe investors that support the release of AS, he has a partner who is a businessman… So I think that we should expect Audirvana to behave as a business entity from now on. And it’s not in the interest of Audirvana to have customers who remain under A3.5, because these customers don’t provide any new revenue.
Don’t expect them to do anything that will make your life easier with A3.5. Furthermore, without being paranoid, I’ll advise you to keep a copy of your old version of A3.5, before installing any upgrade, that might, accidentally or not, shorten the life span of your existing A3.5.